Finding the Third Proportional to 101,902.50 and 222,318

Step by Step Solution

1. Step 1: Write the proportion equation
   101,902.50 : 222,318 = 222,318 : x
2. Step 2: Convert to fraction form
   101,902.50/222,318 = 222,318/x
3. Step 3: Cross multiply
   101,902.50x = 222,318 × 222,318
4. Step 4: Simplify right side
   101,902.50x = 49,425,293,124
5. Step 5: Solve for x
   x = 49,425,293,124/101,902.50
6. Step 6: Final answer
   x = 485,025.32